Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Sound and Light
0
%
0
0
0
Back
Restart
A frosted window is _________________________.
translucent
Oops!
Okay!
An echo is ____________________________ sound.
reflected
Oops!
Okay!
_______________________ depends on the number of vibrations per second.
pitch
Oops!
Okay!
___________________________ lightbulbs are very bright, but they get very hot.
halogen
Oops!
Okay!
Soft materials help _________________________ sound in a room.
absorb
Oops!
Okay!
White light is made up of a ______________________ of colors.
spectrum
Oops!
Okay!
When people speak, the produce _____________________________________ with their vocal cords.
vibrations
Oops!
Okay!
A pencil in a glass of water looks broken because the light is ____________________________.
refracted
Oops!
Okay!
A glow stick is an example of _____________________________ light.
bioluminescent
Oops!
Okay!
We measure how loud or soft a sound is in ____________________________.
decibels
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies